The S&D is the second largest Political Group within the European Parliament with 191 MEPs.
The S&D is a centre left Group, the largest membership comes from the German Social Democratic Party who have 27 S&D MEPs. There are 20 UK MEPs that belong to the S&D, they are all members of the Labour Party.
You can read about the group’s various member political parties here.
To find out more visit their website here